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20050214 - allegro - 12 - titebondfillet
20050214-allegro-12-titebondfillet: Just to make sure, I went back and scraped up the extra Titebond and used it to make Titebond "fillets" around the support strips. Using the flat side of a small...
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20050214 - allegro - 11 - supportstripcut
20050214-allegro-11-supportstripcut: The support strips are made from 3/32" balsa cut into strips and laid between the ribs flush with the aft edge of the spoiler tray. Butter each side of the strip...
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20050214 - allegro - 10 - sheetingsetup
20050214-allegro-10-sheetingsetup: I did one half of the sheeting at a time, mostly because I didn't have enough weights to ensure weights to get proper adhesion to the top of the inner LE strip. To...
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20050214 - allegro - 09 - readytoglue
20050214-allegro-09-readytoglue: Again, to glue I used Titebond (thinned if necessary) and made a hinge out of packing tape to ensure the aft edge of the sheeting lined up nicely with for edge of the...
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20050214 - allegro - 08 - sheetingmark2
20050214-allegro-08-sheetingmark2: To mark the sheeting, I laid the sheeting on top of the wing, tacking in place with masking tape to make the "hinge" like I did before on the bottom sheeting. Then,...
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20050214 - allegro - 07 - sheetingmark
20050214-allegro-07-sheetingmark: The top sheeting is made from 1/16" x 4" x 36" balsa, and is cut into left and right pieces. I drew a centerline down the bolt beam and marked the balsa, cutting it...
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20050214 - allegro - 06 - sandtopinnerle
20050214-allegro-06-sandtopinnerle: To sand the top inner LE bevel, I covered the ribs in a layer of packing tape and used the ribs as a guide when I sanded with my T-bar....
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20050214 - allegro - 05 - pushfillet
20050214-allegro-05-pushfillet: Using the blunt end of a hobby knife, I pushed the fillets into place. Be sure not to bow the sheeting below the spar here. 20050214-allegro-05-pushfillet: Using the...
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20050214 - allegro - 04 - gluefillet
20050214-allegro-04-gluefillet: To glue the fillets, I used a cheap brush and Titebond, coating the area that I would be bonding the fillet to with glue. 20050214-allegro-04-gluefillet: To glue the...
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20050214 - allegro - 03 - filletstripsdone
20050214-allegro-03-filletstripsdone: Here are my fillet strips. I made much more than I needed. I cut my fillets by holding them over the bay I was cutting them for, nicking the balsa and then...
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20050214 - allegro - 02 - filletstrip
20050214-allegro-02-filletstrip: To make the bottom sheeting fillets, I again used my little 45-degree blade jig on a piece of 3/16" thick balsa. Slice off the first triangular piece, and then use a...
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20050214 - allegro - 01 - beambottomhole
20050214-allegro-01-beambottomhole: Using a piece of scrap hardwood as backing material, I drilled a hole through the bottom sheeting. 20050214-allegro-01-beambottomhole: Using a piece of scrap...
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20050213 - allegro - 04 - bottomsheetdone
20050213-allegro-04-bottomsheetdone: Done and trimmed! 20050213-allegro-04-bottomsheetdone: Done and trimmed!
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20050213 - allegro - 03 - centerbottomsheet
20050213-allegro-03-centerbottomsheet: Using the 1/16" x 3" x 36" sheet, I cut the sheeting to the rough form of bottom of the wing. Considering the relatively shallow curve of the bottom of the wing,...
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20050213 - allegro - 02 - centerbottomsheet
20050213-allegro-02-centerbottomsheet: 20050213-allegro-02-centerbottomsheet:
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20050213 - allegro - 01 - fillercapsand
20050213-allegro-01-fillercapsand: To sand the filler caps, I laid packing tape (or masking tape) across the ribs and used a sanding bar to get the filler caps flush with the ribs. Packing tape seems...
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20050212 - allegro - 12 - fillercapcure
20050212-allegro-12-fillercapcure: To cure the filler cap, I used a straightedge and the pieces of foam I used to cure the carbon caps earlier. Bags of shot are real handy....
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20050212 - allegro - 11 - microballoonepoxy
20050212-allegro-11-microballoonepoxy: While that was curing, I put on my filler cap strips on the bottom and top of the spar. These are made from 1/32" balsa strip. Apply the microballoon epoxy to...
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20050212 - allegro - 05 - endribgussets
20050212-allegro-05-endribgussets: The end rib gussets I had made when I did the end-ribs on the mid-panels. They are made from 1/4" rib blank scrap CA'ed together to make 1/2" thick pieces. Apply...
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20050212 - allegro - 04 - temarkbevel
20050212-allegro-04-temarkbevel: Using my previously cut end-rib, I marked the TE. Note I did not use the plans, as I'll be having to mate it to the cut anyway! 20050212-allegro-04-temarkbevel: Using...
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